Two distinct groups from Asia settled in the New World and not one single migration as suggested by previous genetic studies, experts said Monday after comparing the skulls of early Americans.
Archaeology
Jun 14, 2010
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A new study of biological invasions in Europe found they were linked not so much to changes in climate or land cover, but to two dominant factors - more money and more people.
Ecology
Jun 7, 2010
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(AP) -- Britain's cuckoo bird, known for its distinctive call, is in danger of extinction along with 51 other species, the Royal Society for the Protection of Birds said in a new report Thursday.
Plants & Animals
May 28, 2009
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For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral Asian population ...
Evolution
Apr 29, 2009
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(PhysOrg.com) -- Keeping water vole and mink populations apart is vital if efforts to reintroduce water voles, one of Britain’s most endangered mammals, are to be successful.
Jan 9, 2009
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